Home / 7,550.14-11,325.22-2,619.78

Finding the Fourth Proportional to 7,550.14, 11,325.22 and 2,619.78

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Solution

The fourth proportional to 7,550.14, 11,325.22 and 2,619.78 is: 3,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.14 : 11,325.22 = 2,619.78 : x
  2. Step 2: Convert to fraction form
    7,550.14/11,325.22 = 2,619.78/x
  3. Step 3: Cross multiply
    7,550.14x = 11,325.22 × 2,619.78
  4. Step 4: Simplify right side
    7,550.14x = 29,669,584.85
  5. Step 5: Solve for x
    x = 29,669,584.85/7,550.14
  6. Step 6: Final answer
    x = 3,929.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.